Good news: I got the electronics mounted back in the box. Bad news: I added the relay directly above one of my mounting points, so I can't use it. Go ahead, say it - I have a screw loose. #Maker
NessoAsks
@nessoasks.bsky.social
Maker, writer, software developer, oblique thinker, science geek, seeker of valuable questions.
I added a Featherwing latching relay to the electronics package for this piece which will allow me to turn some of the LEDs on and off via software. Yes, I just re-invented the light switch. In my defense, the relay makes the most satisfying click when it switches. #Maker #ASMRElectronics
The beacons are lit! I got all three LED rings wired in, and I'm happy to report that I didn't use a single alligator clip this time. #Maker
It's time for a side quest! FIVE side quests, actually. My intended next step was to mark out where the LED trenches would be placed in the plywood backing, but I accumulated several unanswered questions of how things were going to actually fit together. I made a list. #Maker
I attached the LED strips I prepared to the inner track of the "ledges", which will sit down in the trenches (not shown). Because the strips are oriented vertically, I can bend them around the curve of the ledge smoothly. #Maker #3DPrinting
To prepare the LED strips, I've surface-soldered wires to one end of each strip. I've pre-bent the wire to form a 90-degree angle to the strip so that when attached they'll go "down" and away from the line. (The reason for that will make more sense in an upcoming update.) #Maker
I'll be attaching a single strip of LEDs to the three pieces of ledging that make up the inside curve of the trench (shown dry-fitted on the right). To hold everything together temporarily, I've attached the three pieces with painter's tape (left side). #Maker #FreeCad #3DPrinting
I did a dry fit of the trench "ledges" that will be used to suspend the diffusion film above the LED strip. Didn't quite get the measurements perfect where the bases come together, though. I think I can still work with that. #Maker #FreeCad #3DPrinting
I didn't start out trying to create a knolling pic, but here we are. I got all pieces of both trenches printed. Now I just have to clean them up. Ugh. #Maker #FreeCad #3DPrinting
The trench, version 2. Aside from being nearly twice as wide, I printed these white to better reflect the light and added the mounting holes. Each of the white sections is Part 1 of 3. I hope to have the other two pieces designed and printed by the end of the week. #Maker #FreeCad #3DPrinting
I need the LEDs to form a smooth curve, so I created these frames in #FreeCad. The LEDs will sit down in this "trench", along the inside wall. This first version is too narrow, though. I'll need to make them wider to let more light through. That's why we prototype, kids! #Maker #3DPrinting
I found a different LED strand, this one has clear points to cut and reconnect it, and it has a diffusion layer built right in. It's also much brighter than the previous. I still have some work to do, but this gets me closer to a final solution. #Maker
I figured out how to wire the LED rope, but this was as white as I could make it. Additionally, when I cut it, there was no clear way to attach new leads. I should have researched it better and gotten cuttable AND connectable rope. #Maker
I need to make a couple of turns with the LEDs. But as you saw in the last progress pic, wiring up segments of LED strips would leave a broken-up look. LED neon "rope" gives a smoother look, so I think I need to pivot. Now I just need to figure out how to wire them up to the Lumidrive. #Maker
I need to create curves with LEDs. My original plan was to use daisy-chained segments of LED strips. That would lead to segments of light, defined by the length of each strip (left), even when under a second layer of diffusion film (right). I need a different solution to smooth out the bends. #Maker
With a little help from my younger kiddo, I got the other two bases mounted to the plywood. I was planning to mount the electronics box at the same time, but there are some changes on that front. More on that later. #Maker
I attached the first base to the plywood! The LumiDrive will connect to the grey & orange lever connectors at the bottom. I have a battery-powered book light illuminating the inside of the tower, which allows me to check the alignment with the front design. #Maker #FreeCad #3DPrinting
When you're testing a new electrical contraption and you smell smoke... that's bad, right? My side-quest to build an adapter to convert surface-mount solder points into through-hole points was not successful at this time. Back to surface-soldering! #Maker
I designed the adapter to be a low-enough profile that it would fit below the ring while it was mounted to the white base. I forgot, however, to build in clearance for the base's mounting holes. I'll need to carve out a few millimeters of room for them. #Maker #FreeCad #3DPrinting
Trying out the Prototype 9 adapter. The screws serve to both clamp the adapter and the wires to the LED ring, and to keep everything lined up. #Maker #FreeCad #3DPrinting
If you don't see any differences between prototypes 3-8, don't worry. I was adjusting the placements of the holes by millimeters (and sometimes less). Now we'll see if prototype 9 can clamp the wires onto the LED ring. #Maker #FreeCad #3DPrinting
Side Quest: Can I build a bracket that allows me to attach wires to the LED ring without going through the process of surface mounting? Can I prevent ruining the pad when I brush past one of the surface-mounted wires? Asking for a friend. #Maker #FreeCad #3DPrinting
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I got the side cut off to allow the USB cables to enter (slot in the foreground), and got the electronics mounted. The M3 screws I'm using were too big to fit the holes on the USB power source (blue piece in front), so I could only add them to the red LumiDrive. Grr. #Maker #FreeCad #3DPrinting
I 3D-printed a custom box for the electronics. The four risers with the heat-set inserts are the mounting points for everything. Of course I realized after the fact that I didn't leave a hole for the power cable to plug in. *facepalm* I'll fix that in post. With a saw. #Maker #FreeCad #3DPrinting
I got all of the diffusion channels cut. Each one is fit to a specific strip of LEDs. The LEDs will slide into the base of the channel so that the light will be scattered through the top. Now I gotta cut all the wires - 4 for each junction between strips. Sigh. #Maker
I cut these sections of LED strip weeks ago, but this weekend I got all of the connections prepped for soldering. #Maker
I got the painted acrylic face-piece attached to the frame using wood screws and finishing washers. The combination looks a little like rivets, which lends a nice industrial look to the piece. I'm very happy with how this turned out! #Maker